diff options
Diffstat (limited to 'MdePkg/Library/BaseMemoryLibRepStr/MemLibGuid.c')
| -rw-r--r-- | MdePkg/Library/BaseMemoryLibRepStr/MemLibGuid.c | 132 |
1 files changed, 0 insertions, 132 deletions
diff --git a/MdePkg/Library/BaseMemoryLibRepStr/MemLibGuid.c b/MdePkg/Library/BaseMemoryLibRepStr/MemLibGuid.c deleted file mode 100644 index 6f50340bd7..0000000000 --- a/MdePkg/Library/BaseMemoryLibRepStr/MemLibGuid.c +++ /dev/null @@ -1,132 +0,0 @@ -/** @file
- Implementation of GUID functions.
-
- Copyright (c) 2006, Intel Corporation<BR>
- All rights reserved. This program and the accompanying materials
- are licensed and made available under the terms and conditions of the BSD License
- which accompanies this distribution. The full text of the license may be found at
- http://opensource.org/licenses/bsd-license.php
-
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
- WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-
- Module Name: MemLibGuid.c
-
- The following BaseMemoryLib instances share the same version of this file:
-
- BaseMemoryLib
- BaseMemoryLibMmx
- BaseMemoryLibSse2
- BaseMemoryLibRepStr
- PeiMemoryLib
- DxeMemoryLib
-
-**/
-
-/**
- Copies a source GUID to a destination GUID.
-
- This function copies the contents of the 128-bit GUID specified by SourceGuid to
- DestinationGuid, and returns DestinationGuid.
- If DestinationGuid is NULL, then ASSERT().
- If SourceGuid is NULL, then ASSERT().
-
- @param DestinationGuid Pointer to the destination GUID.
- @param SourceGuid Pointer to the source GUID.
-
- @return DestinationGuid.
-
-**/
-GUID *
-EFIAPI
-CopyGuid (
- OUT GUID *DestinationGuid,
- IN CONST GUID *SourceGuid
- )
-{
- WriteUnaligned64 (
- (UINT64*)DestinationGuid,
- ReadUnaligned64 ((CONST UINT64*)SourceGuid)
- );
- WriteUnaligned64 (
- (UINT64*)DestinationGuid + 1,
- ReadUnaligned64 ((CONST UINT64*)SourceGuid + 1)
- );
- return DestinationGuid;
-}
-
-/**
- Compares two GUIDs.
-
- This function compares Guid1 to Guid2. If the GUIDs are identical then TRUE is returned.
- If there are any bit differences in the two GUIDs, then FALSE is returned.
- If Guid1 is NULL, then ASSERT().
- If Guid2 is NULL, then ASSERT().
-
- @param Guid1 A pointer to a 128 bit GUID.
- @param Guid2 A pointer to a 128 bit GUID.
-
- @retval TRUE Guid1 and Guid2 are identical.
- @retval FALSE Guid1 and Guid2 are not identical.
-
-**/
-BOOLEAN
-EFIAPI
-CompareGuid (
- IN CONST GUID *Guid1,
- IN CONST GUID *Guid2
- )
-{
- return (BOOLEAN)(
- ReadUnaligned64 ((CONST UINT64*)Guid1)
- == ReadUnaligned64 ((CONST UINT64*)Guid2) &&
- ReadUnaligned64 ((CONST UINT64*)Guid1 + 1)
- == ReadUnaligned64 ((CONST UINT64*)Guid2 + 1)
- );
-}
-
-/**
- Scans a target buffer for a GUID, and returns a pointer to the matching GUID
- in the target buffer.
-
- This function searches target the buffer specified by Buffer and Length from
- the lowest address to the highest address at 128-bit increments for the 128-bit
- GUID value that matches Guid. If a match is found, then a pointer to the matching
- GUID in the target buffer is returned. If no match is found, then NULL is returned.
- If Length is 0, then NULL is returned.
- If Length > 0 and Buffer is NULL, then ASSERT().
- If Buffer is not aligned on a 32-bit boundary, then ASSERT().
- If Length is not aligned on a 128-bit boundary, then ASSERT().
- If Length is greater than (MAX_ADDRESS ? Buffer + 1), then ASSERT().
-
- @param Buffer Pointer to the target buffer to scan.
- @param Length Number of bytes in Buffer to scan.
- @param Guid Value to search for in the target buffer.
-
- @return A pointer to the matching Guid in the target buffer or NULL otherwise.
-
-**/
-VOID *
-EFIAPI
-ScanGuid (
- IN CONST VOID *Buffer,
- IN UINTN Length,
- IN CONST GUID *Guid
- )
-{
- CONST GUID *GuidPtr;
-
- ASSERT (((UINTN)Buffer & (sizeof (Guid->Data1) - 1)) == 0);
- ASSERT (Length <= (MAX_ADDRESS - (UINTN)Buffer + 1));
- ASSERT ((Length & (sizeof (*GuidPtr) - 1)) == 0);
-
- GuidPtr = (GUID*)Buffer;
- Buffer = GuidPtr + Length / sizeof (*GuidPtr);
- while (GuidPtr < (CONST GUID*)Buffer) {
- if (CompareGuid (GuidPtr, Guid)) {
- return (VOID*)GuidPtr;
- }
- GuidPtr++;
- }
- return NULL;
-}
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